[1] Holzman is a member of the Interior Design Hall of Fame, the Municipal Art Society, the Architectural League of New York, and has served as a trustee of the Amon Carter Museum and Pratt Institute.

[1] Holzman has designed many important civic and academic structures throughout the United States, especially libraries, museums and performing arts venues.

[4] His use of industrial and rural vernacular, as well as salvaged and local materials ran counter to reductionist modernist tendencies, resulting in a more humanist approach.

In addition Holzman advocated the reuse of older buildings at a time when the profession embraced pristine modernism, exemplified by urban renewal.

"No other contemporary architect uses traditional and unconventional materials with such invention, exuberance and wit.” [5] Holzman's interiors are "legendary" for his bold and eclectic use of color, pattern and texture, exemplified by his custom-designed fabrics, upholstery and carpeting.